JP2000516113A - Medicinal pressure-sensitive adhesive having high water vapor permeability and adhesive strength and plaster using the adhesive - Google Patents

Medicinal pressure-sensitive adhesive having high water vapor permeability and adhesive strength and plaster using the adhesive

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JP2000516113A
JP2000516113A JP10506479A JP50647998A JP2000516113A JP 2000516113 A JP2000516113 A JP 2000516113A JP 10506479 A JP10506479 A JP 10506479A JP 50647998 A JP50647998 A JP 50647998A JP 2000516113 A JP2000516113 A JP 2000516113A
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pressure
sensitive adhesive
medicated
plaster
weight
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バザドウ、アルノ
クラ、フランク
ゼーガー、クルト
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ローマン ゲーエムベーハー ウンド コー.カーゲー
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42Use of materials characterised by their function or physical properties
    • A61L15/58Adhesives
    • A61L15/585Mixtures of macromolecular compounds

Abstract

(57)【要約】 乾燥した皮膚にも濡れた皮膚にも接着する薬用感圧性接着剤であり、a)第三級アミノ基を含有する親水性(メタ)アクリレート共重合体20〜50重量%;b)カルボキシル基を含有する疎水性(メタ)アクリレート共重合体20〜50重量%;c)一種類もしくはそれ以上のモノカルボン酸またはジカルボン酸10〜40重量%;d)ポリオール0〜10重量%;及びe)少なくとも一つの共重合体と反応する架橋系0.02〜0.5重量%、の混合物であって、aからeまでの成分の合計が100重量%であり、厚さ40μmの感圧性接着フィルムで測定した場合の水蒸気透過性が30,000g・m-2・24h-1以上である薬用感圧性接着剤。 (57) Abstract: A medicinal pressure-sensitive adhesive that adheres to both dry and wet skin, a) 20 to 50% by weight of a hydrophilic (meth) acrylate copolymer containing a tertiary amino group B) 20-50% by weight of a hydrophobic (meth) acrylate copolymer containing carboxyl groups; c) 10-40% by weight of one or more monocarboxylic or dicarboxylic acids; d) 0-10% by weight of polyols; %; And e) a mixture of 0.02 to 0.5% by weight of a crosslinking system which reacts with at least one copolymer, wherein the total of components a to e is 100% by weight and a thickness of 40 μm. A medicinal pressure-sensitive adhesive having a water vapor permeability of 30,000 g · m −2 · 24 h −1 or more as measured by the pressure-sensitive adhesive film of No.

Description

【発明の詳細な説明】 高い水蒸気透過性と接着力を有する薬用感圧接着剤 及びその接着剤を用いた硬膏 本発明は、乾燥した皮膚にも濡れた(wet)皮膚にも接着する薬用(medicinal)感 圧性接着剤、及び前記接着剤を用いた硬膏(plaster)に関する。 本発明は特に、優れた接着性と30,000g・m-2・24h-1以上(重さ4 0g/m2の感圧性接着フィルムで測定した場合)の水蒸気透過性(WVP)を 有する薬用感圧性接着剤、及びそれらを、緊急医療またはスポーツ医学等の感圧 性接着剤医療用品の製造目的で使用することに関する。 ここで、感圧性接着剤(pressure-sensitive adhesive)とは、圧力をかけるこ とによって反対の面が接着し得る接着剤をいう。 水蒸気透過性(water-vapor permeability、以下「WVP」)とは、ひつくり返 したコップ−基体で封止し水を充填している−から、その基体を通って抜け出る 水の量であり、温度40℃、相対湿度が20%という環境(an ambient climate) で面積及び時間について測定される。 DE−OS 44 16 928は、アクリレートコポリマーを主成分とした湿 潤接着剤(wet adhesives)を教示している。その他の成分は、第四級アンモニウ ム基を含有する乳化剤、ポリオキシアルキレン(polyoxyalkylenes)を含有する乳 化剤、ポリビニルカルボン酸、粘着性樹脂(tackifying resins)、及び架橋剤で ある。この文献に従って製造された製品の欠点は、まず一つには、皮膚が湿って いる場合、使用前に皮膚を乾燥させないと接着剤が接着しにくいという点、また 、第四級アンモニウム基を含有する乳化剤がポリマーの骨格鎖と架橋結合しない ので、周囲の水分中に溶解し細胞毒性を生じる可能性があるという点である。そ の上、前記文献に記載されている水蒸気透過性は、重さ30g/m2の感圧性接 着フィルムで測定すると30,000g・m-2・24h-1であるが、これでは不 十分であることが多い。 EP 0 415 055には、アミノ基含有モノマー及び少なくとも一つのア ルキル(メタ)アクリレートを持つ非架橋コポリマーの水溶性塩を有する感圧性 接着剤が記載されている。 この接着剤の欠点は、まず一つには、この方法で製造された接着剤の接着特性 が残留している湿気の量に非常に左右され易いため、乾燥条件の調整が必然的に 複雑になるという点、及び、長期間装用すると接着剤が多量の湿気を吸収するた め、担体物質を皮膚から剥がすと接着剤が皮膚表面にそのまま残ってしまい石け ん溶液を用いての除去に多大な労力を要する点である。 よって、本発明の目的は、乾燥した皮膚、湿った皮膚そして濡れた皮膚にも非 常によく接着すると同時に、皮膚の予備乾燥の必要性、細胞毒性成分や除去の際 の接着剤残留といった上記の問題点が回避できる薬用感圧性接着剤を供給するこ とであり、そのような接着剤は、重量が40g/m2の感圧性接着フィルムの場 合、30,000g/m-2・24h-1以上という高いWVPを有するため、長期 間の装用に適している。 このような非常に優秀な特性は、以下の成分を混合する本発明の接着剤によっ て得られる。すなわち、それらの成分は、 a) 第三級アミノ基を含有する親水性(メタ)アクリレート共重合体(copolym erizate)20〜50重量%、 b) カルボキシル基を含有する疎水性(メタ)アクリレート共重合体20〜5 0重量%、 c) 一種類もしくはそれ以上のモノカルボン酸またはジカルボン酸10〜40 重量%、 d) ポリオール0〜10重量%、 e) 少なくとも一つの共重合体と反応する架橋剤0.02〜0.5重量%、で あり、結果的に前記aからeまでの成分の合計が100重量%になり、水蒸気透 過性が、厚さ40μmの感圧性接着フィルムを用いた測定では30,000g・ m-2・24h-1以上となる。 本発明の感圧接着剤は乾燥した皮膚にも汗ばんだ皮膚にも非常によく接着し、 皮膚から除去する際に残留せず、WVPが高いため、周囲の水分が多くても長期 間の装用が可能である。 第三級アミノ基を含有する親水性メタクリレート共重合体の例としては、オイ )が挙げられる。 カルボキシル基を含有する疎水性アクリレートコポリマーの例としては、ドュ ーロターク(Durotak(登録商標))1050(ナショナル・スターチ アンド ケミ カル(National Starch & Chemical))が挙げられる。 適切なカルボン酸として挙げられるのは、ラウリン酸、ミリスチン酸、または パルミチン酸であり、ジカルボン酸として適切なのはアジピン酸、オクタン二酸 、或いはセバシン酸である。 グリセリンは本発明のポリオールである。 架橋剤は例えば、金属キレート、金属酸エステル、ポリイソシアネート、エポ キシ樹脂、アジリジン樹脂、及びトリアジン樹脂である。 本発明の別の目的は、本発明の感圧性接着剤を、例えば緊急用、集中治療及び スポーツ医学用の感圧性医療製品、及び、経皮系(transdermal systems)等の密 封包帯の製造目的で使用することである。必要があれば、その医薬品を水蒸気、 γ線照射或いは酸化エチレンガス処理によって滅菌してもよい。 このようにして得られた感圧性接着剤を、通気性のよいポリウレタンフィルム 表面に塗布した上で、WVPのような物理技術的なテスト、及びAFENA40 01による鋼板表面、同様にポリウレタンの皮膚モデル表面での接着力のテスト によって評価した。(WVPとは、感圧性接着フィルムの水蒸気透過性を以下の 式に従って算出するものである。 この皮膚モデルに関しては、平均すると、対応する人間の皮膚での平均値より 約2N/25mm高い接着力が得られる。これは、その感圧性接着剤の主成分が 天然ゴムもしくは合成ゴム、溶剤系または水系のアクリレートコポリマー、また はシリコンであった場合でも、その種類に関わらず概ね当てはまる。 そのサンプルを、統計分析を用い、所定の評価システムに従って、20人の被 験者の皮膚で更にテストした。2.5cm×5cmの細長い小片(strips)を前腕 内側の毛の無い部分(乾燥状態)に貼り、3cm×3cmの小片(pieces)を被験 者の、洗って乾かした直後の(湿った(moist))状態、及び乾かしていない(濡 れた(wet))状態の手のひらに貼った。1時間及び24時間後の接着力という主 たる評価以外の評価基準は、皮膚への許容度(dermatological acceptability)、 それに、除去の際に痛みや残留物が無いかどうかといった点であった。標準値を 常に100%に設定したこれらの試験の統計分析の結果、本発明による感圧性接 着剤を用いた製品が乾燥した皮膚にも濡れた皮膚にも問題無く接着し、皮膚を刺 激する要因とならず、ほとんど残留すること無く除去可能なことが判明した。 以下に、実施例を参照しつつ、本発明を更に詳細に説明する。実施例1 酢酸エチル200gを、スターラー、漏斗(drip furmel)、環流冷却器(reflux cooler)及びガス供給ノズルを備えた1リットルの反応槽に入れて、80℃まで 加熱した。50分の時間をかけて、n−ブチルアクリレート80g、ADAME (エルフ・アトケム(Elf Atochem))80g、メタクリル酸40g、及びVAZ0 64(デュポン(Du Pont))0.5gからなるモノマー混合物を、攪拌しながら 一滴ずつ添加した。更に6時間かけて60℃まで冷却してから、酢酸エチル60 gとイソプロパノール40gを、ラウリン酸120g及びアジピン酸22gと共 に、この共重合体Aに添加した。室温まで冷却後、グリセリン20gと共重合体 B340gを、均一な混合物になるように混和した。共重合物Bは、n−ブチル アクリレート200g、2−エチルヘキシルアクリレート275g、アクリル酸 25g及び、2.5gのVAZO64を500gの酢酸エチル内で上記のように 重合されたものである。更に、2.5%アルミニウムアセチルアセトネート(A IAcA)溶液100gを添加して架橋させた。 こうして得られた感圧性接着剤を、塗布ナイフ(spreading knife)で層の厚さ を変化させてシリコン処理済みのポリエステルフィルム表面に塗布し、通気乾燥 室(a vent air drying cabinet)内で80℃で30分乾燥させることにより、厚 さ25μm、45μm、及び60μmの感圧性接着フィルム(参照番号はa、b 、c)を作成した。感圧性接着性フィルムを、厚さ25μm、WVPが40,0 00g・m-2・24h-1のポリウレタンフィルム上に転写積層させた(transfer laminated)。厚さ30μmの感圧性接着フィルムと厚さ25μmのポリウレタン フィルムで構成される標準的な市販品との比較評価を行った(表1参照)。表1 (備考)*1:接着が非常に弱いか、まったく接着しない 標準品と比較して、乾燥した皮膚の測定(正常の環境下)ではほぼ同程度の接 着力があるのがわかった。 湿った皮膚、特に濡れた皮膚の測定では、新しい感圧性接着剤の優秀性が明白 になった。ほとんどの場合、被験者の皮膚が濡れていると標準的な製品が接着し ないのに対して、本発明による感圧性接着剤は、十分な接着力が持続した。実施例2〜5 以下の混合物を実施例1と同様に処理し(記載の数値はそれぞれの固形物質に 該当する)、塗布を行って所定の厚さを持った感圧性接着フィルムを得た。(備考)*1:アジリジン樹脂(ICI);*2:ポリブチルチタネート 同様の評価を行い、以下の数値を導き出した。 The present invention relates to a medicated pressure-sensitive adhesive having high water vapor permeability and adhesive strength, and a plaster using the adhesive. The present invention relates to a medicated adhesive which adheres to both dry and wet skin. The present invention relates to a medicinal pressure-sensitive adhesive, and a plaster using the adhesive. The present invention is particularly directed to medicinal products having excellent adhesiveness and water vapor permeability (WVP) of 30,000 g · m −2 · 24 h −1 or more (as measured with a pressure-sensitive adhesive film weighing 40 g / m 2 ). The present invention relates to pressure-sensitive adhesives and to their use for the production of pressure-sensitive adhesive medical articles such as emergency or sports medicine. Here, a pressure-sensitive adhesive refers to an adhesive to which the opposite surface can be adhered by applying pressure. Water-vapor permeability (hereinafter "WVP") is the amount of water that escapes from a folded cup-sealed with a substrate and filled with water-through the substrate, at a temperature of 40 It is measured in terms of area and time in an environment of 20 ° C. and 20% relative humidity (an ambient climate). DE-OS 44 16 928 teaches wet adhesives based on acrylate copolymers. Other components are emulsifiers containing quaternary ammonium groups, emulsifiers containing polyoxyalkylenes, polyvinyl carboxylic acids, tackifying resins, and crosslinking agents. Disadvantages of products manufactured according to this document are, first of all, that if the skin is damp, the adhesive will not adhere well if the skin is not dried before use, and also contains quaternary ammonium groups. This is because the emulsifier does not cross-link with the polymer backbone and may dissolve in the surrounding water to cause cytotoxicity. Moreover, the water vapor permeability described in the above-mentioned document is 30,000 g · m −2 · 24 h −1 when measured with a pressure-sensitive adhesive film weighing 30 g / m 2 , but this is insufficient. Often. EP 0 415 055 describes a pressure-sensitive adhesive having a water-soluble salt of a non-crosslinked copolymer having an amino group-containing monomer and at least one alkyl (meth) acrylate. The disadvantages of this adhesive are, firstly, that the adhesive properties of the adhesive produced by this method are very sensitive to the amount of residual moisture, so that the adjustment of the drying conditions is necessarily complicated. The point is that the adhesive absorbs a large amount of moisture when worn for a long period of time, so when the carrier substance is peeled off from the skin, the adhesive remains on the skin surface and a great deal of effort is required for removal using a soap solution That is the point. Thus, it is an object of the present invention to provide a very good adhesion to dry, wet and wet skin as well as the need for pre-drying of the skin, the presence of cytotoxic components and adhesive residue upon removal. The problem is to provide a medicated pressure-sensitive adhesive that can be avoided, such an adhesive having a weight of 40 g / m 2 and a pressure-sensitive adhesive film of 30,000 g / m −2 · 24 h −1 or more. Therefore, it is suitable for long-term wearing. Such very good properties are obtained by the adhesive of the present invention which mixes the following components. That is, these components include: a) 20 to 50% by weight of a hydrophilic (meth) acrylate copolymer containing a tertiary amino group, and b) a hydrophobic (meth) acrylate containing a carboxyl group. 20 to 50% by weight of polymer, c) 10 to 40% by weight of one or more mono- or dicarboxylic acids, d) 0 to 10% by weight of polyol, e) Crosslinking which reacts with at least one copolymer 0.02 to 0.5% by weight, resulting in a total of 100% by weight of the components a to e, and a water vapor permeability measured using a pressure-sensitive adhesive film having a thickness of 40 μm. In this case, it is 30,000 g · m −2 · 24h −1 or more. The pressure-sensitive adhesive of the present invention adheres very well to both dry and sweaty skin, does not remain when removed from the skin, and has a high WVP. Is possible. Examples of hydrophilic methacrylate copolymers containing a tertiary amino group include oil ). Examples of hydrophobic acrylate copolymers containing carboxyl groups include Durotak® 1050 (National Starch & Chemical). Suitable carboxylic acids include lauric acid, myristic acid, or palmitic acid, and suitable dicarboxylic acids include adipic acid, octane diacid, or sebacic acid. Glycerin is the polyol of the present invention. Crosslinking agents are, for example, metal chelates, metal esters, polyisocyanates, epoxy resins, aziridine resins, and triazine resins. Another object of the invention is to use the pressure-sensitive adhesives of the invention for the production of pressure-sensitive medical products, for example for emergency, intensive care and sports medicine, and for occlusive dressings such as transdermal systems. Is to use. If necessary, the drug may be sterilized by steam, gamma irradiation or ethylene oxide gas treatment. The pressure-sensitive adhesive thus obtained is applied to the surface of a polyurethane film having good air permeability, and then subjected to a physical technical test such as WVP, and a steel plate surface according to AFENA4001, and a polyurethane skin model surface. Was evaluated by an adhesion test. (WVP is to calculate the water vapor permeability of a pressure-sensitive adhesive film according to the following formula. For this skin model, on average, an adhesion of about 2 N / 25 mm higher than the corresponding average value on human skin is obtained. This is generally true regardless of the type of the pressure-sensitive adhesive, even if the main component of the pressure-sensitive adhesive is a natural or synthetic rubber, a solvent-based or water-based acrylate copolymer, or silicon. The samples were further tested on the skin of 20 subjects using statistical analysis and according to a given rating system. 2.5 cm × 5 cm strips were applied to the hairless part (dry state) inside the forearm, and 3 cm × 3 cm pieces were placed on the subject immediately after washing and drying (moist). ) And non-dried (wet) palms. Evaluation criteria other than the primary evaluation of adhesion after 1 and 24 hours were dermatological acceptability and whether there was no pain or residue upon removal. Statistical analysis of these tests, with the standard value always set to 100%, showed that the product using the pressure-sensitive adhesive according to the invention adhered to dry and wet skin without problems and was a factor irritating the skin. It was found that it could be removed without remaining. Hereinafter, the present invention will be described in more detail with reference to examples. Example 1 200 g of ethyl acetate was placed in a 1 liter reactor equipped with a stirrer, drip furmel, reflux cooler and gas feed nozzle and heated to 80 ° C. Over a period of 50 minutes, a monomer mixture consisting of 80 g n-butyl acrylate, 80 g ADAME (Elf Atochem), 40 g methacrylic acid, and 0.5 g VAZ064 (Du Pont) was stirred. While adding dropwise. After cooling to 60 ° C. over a further 6 hours, 60 g of ethyl acetate and 40 g of isopropanol were added to the copolymer A together with 120 g of lauric acid and 22 g of adipic acid. After cooling to room temperature, 20 g of glycerin and 340 g of copolymer B were mixed so as to form a uniform mixture. Copolymer B is obtained by polymerizing 200 g of n-butyl acrylate, 275 g of 2-ethylhexyl acrylate, 25 g of acrylic acid, and 2.5 g of VAZO 64 in 500 g of ethyl acetate as described above. Further, 100 g of a 2.5% aluminum acetylacetonate (AIAcA) solution was added for crosslinking. The pressure-sensitive adhesive thus obtained was applied to the surface of the silicon-treated polyester film by changing the thickness of the layer with a spreading knife, and then heated to 80 ° C. in a vent air drying cabinet. For 30 minutes to produce pressure-sensitive adhesive films (reference numbers a, b, and c) having a thickness of 25 μm, 45 μm, and 60 μm. The pressure-sensitive adhesive film was transfer laminated on a polyurethane film having a thickness of 25 μm and a WVP of 4,000 g · m −2 · 24 h −1 . Comparative evaluation was performed with a standard commercially available product composed of a pressure-sensitive adhesive film having a thickness of 30 μm and a polyurethane film having a thickness of 25 μm (see Table 1). Table 1 (Remarks) * 1: Adhesion is very weak or not at all. Compared with the standard product, the measurement of dry skin (under normal environment) showed almost the same adhesive strength. Measurements of wet skin, especially wet skin, have revealed the excellence of the new pressure-sensitive adhesives. In most cases, the standard product does not adhere when the subject's skin is wet, whereas the pressure-sensitive adhesive according to the invention has maintained a sufficient adhesive force. The mixtures of Examples 2 to 5 were treated in the same manner as in Example 1 (the numerical values described correspond to the respective solid substances), and applied to obtain a pressure-sensitive adhesive film having a predetermined thickness. (Notes) * 1: Aziridine resin (ICI); * 2: The same evaluation was performed as in polybutyl titanate, and the following numerical values were derived.

Claims (1)

【特許請求の範囲】 1.乾燥した皮膚にも濡れた皮膚にも接着する薬用感圧性接着剤であり、 a)第三級アミノ基を含有する親水性(メタ)アクリレート共重合体20〜50 重量%; b)カルボキシル基を含有する疎水性(メタ)アクリレート共重合体20〜50 重量%; c)一種類もしくはそれ以上のモノカルボン酸またはジカルボン酸10〜40重 量%; d)ポリオール0〜10重量%;及び e)少なくとも一つの共重合体と反応する架橋剤0.02〜0.5重量%の混合 物であり、 かつ前記混合物のaからeまでの成分の合計が100重量%であり、厚さ40μ mの感圧性接着フィルムで測定した場合の水蒸気透過性が30,000g・m-2 ・24h-1以上であることを特徴とする薬用感圧性接着剤。 2. 親水性コポリマーがジメチルアミノエチル基を含有することを特徴とする 請求項1に記載の薬用感圧性接着剤。 3.疎水性コポリマーがn−ブチルアクリレートモノマー単位を含有することを 特徴とする請求項1に記載の薬用感圧性接着剤。 4. 有機酸中の炭素原子数が12〜16の範囲の偶数であることを特徴とする 請求項1に記載の薬用感圧性接着剤。 5. 有機ジカルボン酸中の炭素原子数が6〜10の範囲の偶数であることを特 徴とする請求項1に記載の薬用感圧性接着剤。 6. 架橋剤が金属キレート、金属酸エステル、ブロックされたポリイソシアネ ート、エポキシ樹脂、アジリジン樹脂、またはトリアジン樹脂であることを特徴 とする請求項1に記載の薬用感圧性接着剤。 7. ポリオールがグリセリンであることを特徴とする請求項1に記載の薬用感 圧性接着剤。 8. 高い皮膚接着性を持つ薬用硬膏であり、皮膚接着性を提供する接着剤とし て請求項1〜7のいずれかに記載の感圧接着剤を含有することを特徴とする薬用 硬膏(medicinal plaster)。 9. 担体物質としての布帛シート材料、フィルム、フォーム(foam)または紙で あることを特徴とする請求項8に記載の薬用硬膏。 10. 創傷用硬膏または保護用硬膏として仕向けられている請求項8または9に 記載の薬用硬膏。 11. 作用物質を経皮投与するための密封包帯として仕向けられている請求項8 に記載の薬用硬膏。 12. 湿気に影響されない(insensitive)密封包帯を製造するために仕向けられ ている請求項1〜7のいずれかに記載の薬用感圧性接着剤。 13. 滅菌状態に形成されている前記請求項のいずれかに記載の薬用硬膏または 感圧性接着剤。[Claims] 1. A medicated pressure-sensitive adhesive that adheres to both dry and wet skin, a) Hydrophilic (meth) acrylate copolymer containing tertiary amino group 20 to 50 weight%; b) Hydrophobic (meth) acrylate copolymer containing a carboxyl group 20 to 50 weight%; c) one or more monocarboxylic or dicarboxylic acids 10 to 40 fold amount%; d) 0-10% by weight of a polyol; and e) mixing of 0.02 to 0.5% by weight of a crosslinking agent which reacts with at least one copolymer Things And the sum of components a to e of the mixture is 100% by weight, and the thickness is 40 μm. m, 30,000 gm when measured with a pressure-sensitive adhesive film-2 ・ 24h-1A medicinal pressure-sensitive adhesive characterized by the above. 2. Characterized in that the hydrophilic copolymer contains dimethylaminoethyl groups The medicated pressure-sensitive adhesive according to claim 1. 3. That the hydrophobic copolymer contains n-butyl acrylate monomer units The medicated pressure-sensitive adhesive according to claim 1, characterized in that: 4. The number of carbon atoms in the organic acid is an even number in the range of 12 to 16. The medicated pressure-sensitive adhesive according to claim 1. 5. In particular, the number of carbon atoms in the organic dicarboxylic acid is an even number in the range of 6 to 10. The medicated pressure-sensitive adhesive according to claim 1, wherein 6. The crosslinking agent is a metal chelate, metal ester, blocked polyisocyanate It is a resin, epoxy resin, aziridine resin, or triazine resin The medicated pressure-sensitive adhesive according to claim 1, wherein 7. 2. The sensation according to claim 1, wherein the polyol is glycerin. Pressure-sensitive adhesive. 8. It is a medicated plaster with high skin adhesion and an adhesive that provides skin adhesion. A medicament comprising the pressure-sensitive adhesive according to any one of claims 1 to 7. Plaster (medicinal plaster). 9. With fabric sheet material, film, foam or paper as carrier material The medicated plaster according to claim 8, wherein: Ten. 10. The method according to claim 8 or 9, which is used as a wound plaster or a protective plaster. The medicated plaster according to the above. 11. 9. The method of claim 8, wherein the agent is used as an occlusive dressing for transdermal administration of the agent. 3. The medicated plaster according to 1 .. 12. Used to produce moisture-insensitive occlusive dressings The medicated pressure-sensitive adhesive according to any one of claims 1 to 7, wherein 13. Medicinal plaster according to any of the preceding claims, which is formed in a sterile state or Pressure sensitive adhesive.
JP10506479A 1996-07-18 1997-06-28 Medicinal pressure-sensitive adhesive having high water vapor permeability and adhesive strength and plaster using the adhesive Ceased JP2000516113A (en)

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DE19628999A DE19628999C1 (en) 1996-07-18 1996-07-18 Medical pressure sensitive adhesives with high water vapor permeability and adhesive strength and plasters provided with them and their use
PCT/EP1997/003392 WO1998003208A1 (en) 1996-07-18 1997-06-28 Medical pressure-sensitive adhesives with high permeability to water vapour and high adhesive force, and plasters provided therewith

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US6198017B1 (en) 2001-03-06
CA2260844A1 (en) 1998-01-29

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